debugger/dtest.c

   1 #include <signal.h>
   2 #include <stdio.h>
   3
   4 extern void wine_debug(unsigned int*);
   5
   6
   7 #ifdef linux
   8 #include <linux/sched.h>
   9 #include <asm/system.h>
  10 #endif
  11
  12 struct sigaction segv_act;
  13
  14 #ifdef linux
  15
  16 struct sigcontext_struct {
  17         unsigned short sc_gs, __gsh;
  18         unsigned short sc_fs, __fsh;
  19         unsigned short sc_es, __esh;
  20         unsigned short sc_ds, __dsh;
  21         unsigned long sc_edi;
  22         unsigned long sc_esi;
  23         unsigned long sc_ebp;
  24         unsigned long sc_esp;
  25         unsigned long sc_ebx;
  26         unsigned long sc_edx;
  27         unsigned long sc_ecx;
  28         unsigned long sc_eax;
  29         unsigned long sc_trapno;
  30         unsigned long sc_err;
  31         unsigned long sc_eip;
  32         unsigned short sc_cs, __csh;
  33         unsigned long sc_eflags;
  34         unsigned long esp_at_signal;
  35         unsigned short sc_ss, __ssh;
  36         unsigned long i387;
  37         unsigned long oldmask;
  38         unsigned long cr2;
  39 };
  40 #endif
  41
  42 #ifdef linux
  43 static void win_fault(int signal, struct sigcontext_struct context){
  44         struct sigcontext_struct *scp = &context;
  45 #else
  46 static void win_fault(int signal, int code, struct sigcontext *scp){
  47 #endif
  48
  49         wine_debug((unsigned int *) scp);  /* Enter our debugger */
  50 }
  51
  52 char realtext[] = "This is what should really be printed\n";
  53
  54 int
  55 main(){
  56         char * pnt;
  57 #ifdef linux
  58         segv_act.sa_handler = (__sighandler_t) win_fault;
  59         sigaction(SIGSEGV, &segv_act, NULL);
  60 #endif
  61 #if defined(__NetBSD__) || defined(__FreeBSD__)
  62         sigset_t sig_mask;
  63
  64         sigemptyset(&sig_mask);
  65         segv_act.sa_handler = (__sighandler_t) win_fault;
  66         segv_act.sa_flags = 0;
  67         segv_act.sa_mask = sig_mask;
  68         if (sigaction(SIGSEGV, &segv_act, NULL) < 0) {
  69                 perror("sigaction");
  70                 exit(1);
  71         }
  72 #endif
  73
  74         fprintf(stderr,"%x\n", realtext);
  75
  76         /* Now force a segmentation fault */
  77         pnt = (char *) 0xc0000000;
  78
  79         fprintf(stderr,"%s", pnt);
  80         return 0;
  81
  82 }
  83
  84
  85 unsigned int * wine_files = NULL;
  86
  87 GetEntryPointFromOrdinal(int wpnt, int ordinal) {}